Contronic 3630 Water Soluble Mask

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Product Features

WSM-90 is a water-soluble polymer that cures at room temperature. This material is formulated to resist the adhesion of solder to specified areas of the circuit board during the soldering operation. Drying time varies according to mask thickness and relative humidity. After the solder operation, WSM-90 can be removed with hot water (140F, 60C) leaving no residue. WSM-90 can be used with all types of fluxes.

8 oz. Bottle – #3630
1 Gallon Container – #3650

• WSM-90 is completely soluble in hot water, leaving no residue on the circuit board.
• Optimum coating thickness is 10 to 35 mils (.025 – 1 mm).
• Store at room temperature (72F, 22C) in an unopened container.
• Can be stored for up to one year from the date of manufacturing

Technical Specs